/*引入导航栏样式文件*/
@import "public_float.css";
@import "public_foot.css";

* {
    padding: 0;
    margin: 0;
    list-style: none;
    text-decoration: none;
}

/*整体*/
#wrapper {
    width: 1518px;
    height: 100%;
    margin: 0 auto;
    position: relative;
}

/*导航栏*/
#bigHead {
    width: 100%;
    z-index: 2;
    background-color: rgb(225 225 225);
    opacity: 0.9;
    position: fixed;
    left: 0;
    top: 0;
}

#head {
    width: 100%;
    height: 100px;
}

.fixed {
    position: fixed;
    left: 0;
    top: 0;
}

/*轮播图*/
.dalao {
    width: 1400px;
    height: 600px;
    position: relative;
    margin: 0px auto; /*在块元素上设置才有用，因此不在#datu上设置而在这里设置*/
    margin-top: 120px;
    margin-bottom: 40px;
    border: 1px solid rgb(225 225 225 / 45%);
}

.dalao #datu li{
    transition: 2s;
}

/*选中的点的样式*/
.active {
    background-color: white;
}

/*点的样式*/
.point {
    position: relative;
    bottom: 10px;
    width: 63px;
    height: 12px;
    margin: 0 auto;
    top: 580px;
}

.dalao .point li {
    width: 10px;
    height: 10px;
    border-radius: 100%;
    border: 1px solid gray;
    float: left;
    margin-left: 5px;
}
.dalao .point li:nth-child(1){
    margin-left: 0px;
}


/*大图*/
#dalao2 {
    width: 1400px;
    height: 650px;
    margin: 0px auto;
    margin-bottom: 40px;
}

#dalao2 #tupian {
    width: 100%;
    height: 650px;
    text-align: center;
}

#dalao2 #tupian li {
    float: left;
    width: 23.1%;
    margin: 80px 12px 20px 12px;
    height: 550px;
    border: 1px solid black;
    border-radius: 20px;
}

#dalao2 #tupian img {
    width: 100%;
    border-radius: 20px;
    height: 550px;
}


/*大图的透明盖层*/
#tupian li .hid {
    width: 325px;
    height: 550px;
    position: relative;
    top: -555px;
    opacity: 0;
    background: #5a5a5a;
    color: white;
    border-radius: 20px;
}

/*大图透明盖层上的字*/
#dalao2 #tupian li p {
    position: relative;
    font-size: 35px;
    font-family: 宋体;
    margin: 0 auto; 
    padding-top: 260px;
}